At SIP-UA.com our goal is to simply provide users with a free public SIP lab that can be used for personal education or a business proof of concept. Our users are given the freedom to choose any standards based SIP user agent, SIP device or SIP enabled PBX to connect to our service.
Public Lab SIP Trunking
Our lab is a one of a kind resource for testing and research. Lab accounts provide unlimited free 2 minute calls for testing and training.
Business Class SIP Trunking
Greenberry Networks is the parent company of SIP-UA.com. We offer a complete line of SIP solutions for your enterprise or small business.
Please visit GreenberryNetworks.com for more information regarding SIP trunking for your business.